Question: (1 point) Find a b if |a| = 5, |b| = 8, and the angle between a and b is radians. a.b=

(1 point) Find a b if |a| = 5, |b| = 8,

(1 point) Find a b if |a| = 5, |b| = 8, and the angle between a and b is radians. a.b=

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